luminosity | 89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33

General

Target

89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
Size

636KB
MD5

c9ffc3cf9644b18d3b9177f3538d5777
SHA1

4b07b514e46bdc9d1b7a4d141972390db368b5f0
SHA256

89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33
SHA512

8c79fe2a251d2baa6b2d7eb8bbc99ea8112e44e4cabf8083cb3a762b03cc75c635927f2652ea48aaa2f2d57d1b472a612157c897c660f5e5efa6991396031109
SSDEEP

12288:P3N7+8qyRWMzSfXPzwDevratVILPqbP/E:PkRp4Snz7atVpP

Score

10^/10

luminosity persistence rat

Malware Config

Signatures

Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
rat luminosity

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\968006\\system.exe\""	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	system.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
File opened for modification	C:\Windows\system32\drivers\etc\hosts	system.exe

Executes dropped EXE 2 IoCs

pid	Process
2024	system.exe
1692	system.exe

Loads dropped DLL 1 IoCs

pid	Process
684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows System = "\"C:\\ProgramData\\968006\\system.exe\""	system.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\clientsvr.exe	system.exe
File created	C:\Windows\SysWOW64\clientsvr.exe	system.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 2024 set thread context of 1692	2024	system.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
2024	system.exe
2024	system.exe
1692	system.exe
1692	system.exe
1692	system.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
Token: SeDebugPrivilege	2024	system.exe
Token: SeDebugPrivilege	1692	system.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1692	system.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 1716 wrote to memory of 684	1716	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	28
PID 684 wrote to memory of 2024	684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	30
PID 684 wrote to memory of 2024	684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	30
PID 684 wrote to memory of 2024	684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	30
PID 684 wrote to memory of 2024	684	89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe	30
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31
PID 2024 wrote to memory of 1692	2024	system.exe	31

C:\Users\Admin\AppData\Local\Temp\89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
"C:\Users\Admin\AppData\Local\Temp\89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe
  "C:\Users\Admin\AppData\Local\Temp\89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\ProgramData\968006\system.exe
    "C:\ProgramData\968006\system.exe"
    3⤵
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\ProgramData\968006\system.exe
      "C:\ProgramData\968006\system.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\968006\system.exe

Filesize
636KB

MD5
c9ffc3cf9644b18d3b9177f3538d5777

SHA1
4b07b514e46bdc9d1b7a4d141972390db368b5f0

SHA256
89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33

SHA512
8c79fe2a251d2baa6b2d7eb8bbc99ea8112e44e4cabf8083cb3a762b03cc75c635927f2652ea48aaa2f2d57d1b472a612157c897c660f5e5efa6991396031109

Download Submit
C:\ProgramData\968006\system.exe

Filesize
636KB

MD5
c9ffc3cf9644b18d3b9177f3538d5777

SHA1
4b07b514e46bdc9d1b7a4d141972390db368b5f0

SHA256
89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33

SHA512
8c79fe2a251d2baa6b2d7eb8bbc99ea8112e44e4cabf8083cb3a762b03cc75c635927f2652ea48aaa2f2d57d1b472a612157c897c660f5e5efa6991396031109

Download Submit
C:\ProgramData\968006\system.exe

Filesize
636KB

MD5
c9ffc3cf9644b18d3b9177f3538d5777

SHA1
4b07b514e46bdc9d1b7a4d141972390db368b5f0

SHA256
89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33

SHA512
8c79fe2a251d2baa6b2d7eb8bbc99ea8112e44e4cabf8083cb3a762b03cc75c635927f2652ea48aaa2f2d57d1b472a612157c897c660f5e5efa6991396031109

Download Submit
C:\Windows\system32\drivers\etc\hosts

Filesize
2KB

MD5
1cca24ab81c8b433dbf256fb95564a26

SHA1
565b8147705862cb0fff85591a48a9fa6859dc31

SHA256
ca9af0bb473d3b51f7b47ddbd7ee75e8e88342ba35e169f3cd1666bf9176215a

SHA512
3bc3179fcc8e74da763a42401fa8e99d33a1181fda8f8695c4394a2bcc54690dd85b9d4b9ea59bfc7ddfbd6f1f055179bf79a93919d1e384e16f28029ea3e839

Download Submit
\ProgramData\968006\system.exe

Filesize
636KB

MD5
c9ffc3cf9644b18d3b9177f3538d5777

SHA1
4b07b514e46bdc9d1b7a4d141972390db368b5f0

SHA256
89e8dbf09685f9de65e186fd7487374b7f081dbbbca86360a9047fb334235c33

SHA512
8c79fe2a251d2baa6b2d7eb8bbc99ea8112e44e4cabf8083cb3a762b03cc75c635927f2652ea48aaa2f2d57d1b472a612157c897c660f5e5efa6991396031109

Download Submit
memory/684-62-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/684-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/684-65-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/684-67-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/684-95-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/684-70-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/684-60-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/684-77-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/684-58-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1692-94-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1692-96-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1716-56-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1716-55-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1716-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1716-69-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-76-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-78-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-89-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads